Canthium sphaerocarpum Schweinf. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Keetia species Keetia venosa Name Homonyms Canthium sphaerocarpum Schweinf. ex Bullock Canthium sphaerocarpum Schweinf.